The G20 nations are flying in to Seoul in South Korea today for the start of the two-day summit which will see a new development agenda discussed.

Tonight, heads of state will gather for a working dinner before meeting tomorrow around the negotiating table proper. But for many of them it will only have been days since they saw each other last, with the US courting India and Cameron skirting the human rights elephant in the room during trade tête-à-têtes with the Chinese supremo.

The secretive hard-line communist regime in North Korea has reacted angrily to global condemnation of its recent nuclear weapons test, declaring that its ‘truce’ with South Korea may be over and that it will not back down.